| Streaming potential for microchannels of arbitrary cross-sectional shapes for thin electric double layers. | |
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MedLine Citation:
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PMID: 19464020 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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The streaming potential of electrokinetic flows in microchannels affects flow rate and is usually exploited to determine the zeta potential of microchannels. In the present investigation, we derive a semianalytic formula for the streaming potential of microchannels with arbitrary cross-sectional shapes valid for high zeta potentials as well as reasonably low zeta potentials. This formula satisfies the Onsager reciprocity principle at the limit of low zeta potential where the Debye-Hückel approximation is valid. The simple semianalytic formula for the streaming potential derived in the present work can be employed to investigate electrokinetic flows and determine the zeta potentials of microchannels with arbitrary cross-sectional shapes. |
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Authors:
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H M Park; J Y Lim |
Publication Detail:
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Type: Journal Article Date: 2009-04-12 |
Journal Detail:
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Title: Journal of colloid and interface science Volume: 336 ISSN: 1095-7103 ISO Abbreviation: J Colloid Interface Sci Publication Date: 2009 Aug |
Date Detail:
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Created Date: 2009-06-29 Completed Date: 2009-09-02 Revised Date: 2009-11-11 |
Medline Journal Info:
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Nlm Unique ID: 0043125 Medline TA: J Colloid Interface Sci Country: United States |
Other Details:
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Languages: eng Pagination: 834-41 Citation Subset: - |
Affiliation:
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Department of Chemical and Biomolecular Engineering, Sogang University, Seoul, South Korea. hmpark@sogang.ac.kr |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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